Support device



FIG. 1 is a perspective view of a support device showing our design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left-side elevational view thereof;

FIG. 5 is a right-side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a view of the support device in use for reference.

The broken lines shown are included for the purpose of illustrating portions of the support device that form no part of the claim. 

CLAIM The ornamental design for a support device, as shown and described. 